Error (12252): Border: 2020.05.20.09:07:13 Error: seq: Error during execution of "{C:/intelfpga_lite/19.1/quartus/../nios2eds/Nios II Command Shell.bat} make all 2>> stderr.txt": child process exited abnormally

Seems like we have patch for this https://www.intel.com/content/altera-www/global/en_us/index/support/support-resources/knowledge-base/tools/2020/fatal--cannot-generate-ip-in-a-windows-evironment-.html.

The error message reported are similar,

ERROR: Found Error => border: 2019.06.13.20:07:57 Info: p0: "hps_sdram" instantiated altera_mem_if_ddr3_hard_phy_core "p0"

ERROR: Found Error => border: 2019.06.13.20:07:57 Error: seq: Cannot locate the Nios II Command Shell. Nios II SBT must be installed to generate UniPHY IP cores.

ERROR: Found Error => border: 2019.06.13.20:07:57 Error: seq: An error occurred

ERROR: Found Error => border: while executing

ERROR: Found Error => border: "error "An error occurred""

ERROR: Found Error => border: (procedure "_error" line 8)

ERROR: Found Error => border: invoked from within

ERROR: Found Error => border: "_error "Cannot locate the Nios II Command Shell. Nios II SBT must be installed to generate UniPHY IP cores.""

Can you try this patch and let us know the result?